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(No Model.)

. s. 00mm.

7 CIRCULAR KNITTING MACHINE. No. 245,135. Patentedkug. 2,1881.

F I E FIE-Q5 d f- All.

7 WITNEEEEE: lNVENTElR= I K Z- 6471.410

U ITED STATES PATENT OFFICE.

svvITsooNDn, OF oswEeo, NEW YORK.

CIRCULAR-KNITTING MACHINE- SPECIFICATION forming part of Letters PatentNo. 245,135, dated August 2, 1881,

To all whom it mag concern;

Be it known that 1,,SWITS min of 0swego, in the county of Oswego, in theState of New York, have invented new and useful Improvements inCircular-Knitting Machines, of which the following, taken in connectionwith the accompanying drawings, is a full, clear, and exact description.Thisinven tion consists in novel means of producing on aknitting-machine multiple-thread ed fabric, striped longitudinally,without carrying thereon loose threads or varying the texture of thefabric.

The inventionis fully illustrated in the accompanying drawings, whereinFigure l is a side view of the mechanism employed for carrying twothreads of difi'erent colors simultaneously into the knitting -needlesin such a manner as-to produce vertical stripes in the yarn guidedthereto by the bar a, which is fixed stationary at the side of thestandard 8, and has its forward extremity in proximity to theloop-wheel, and provided with an eye through which'the thread passes onits way to the loop-wheel. v

Striped fabric has been produced by various constructions andarrangements of the aforesaid devices alone, but in many instances theeffect has been accomplished simply by alternately dropping or carryingone of the threads across the outside of the beard-of the needles, whileanother thread was forced into thebeards and formed a single-threadedstitch, thus carrying at intervals a loose thread on the back of thefabric and varying the texture thereof. It is to obviate these defectswhich my invention has chiefly for its object 5 and to that end Iemploy, in connection with the ordinary loopwheel and the stationarythread-guide a, two or more thread-guides arranged to oscillate orApplication filed April 26, 1881. (No model.)

, vibrate vertically or lengthwise to the needles,

each of said vibratory thread-guides being provided with adifferently-colored thread, which passes with the thread of the othervibratory thread-guide through the eye of the stationary thread-guideand to the loop-wheel, which carries both of said threads or yarnssimultaneously into the beards of the needles. The upward movement ofeither of the vibratory threadgnides'throws its respective thread abovethe other thread, and at the same time increases the tensionon saidelevated thread so as to cause-the same to be drawn to the front withinthe heard of the needle, as illustrated-in Figs. 4 and 5 of thedrawings. The previouslyformed loops, being drawn over the said threadsin the needles, forms the latter into a new loop, presenting differentcolors at the front and back of the fabric. It is obvious that byelevating the vibratory thread-guides alternately and at certainintervals vertical stripes are produced in the fabric, and since boththreads invariably enter the beards of the needles no loose threads arecarried on the exterior of the fabric, and the fabric is maintained at auniform texture. The stripes, however, will be more orless variegated ormottled, inasmuch as small portions of the rear thread will occasionallybe visible between the'front threads.

In the drawings hereto annexed, b and brepresent thevibratorythread-guides, arranged by the side of the stationarythread-guide a, the former being of a form similar to that of thelatter, but pivoted thereon, as shown at 4.

Each of the vibratory thread-guides is provided with adiiferently-colored thread, and both threads pass through the eye of thestationary guide a, and are simultaneously carried into the beards ofthe needles by the loopwheel L.

The free ends of the vibratory thread-guides b b are supported andguided byan arm, 1', secured to the standard 8, and. having pins 70,between which the thread-guides b I) play.

On the arm 43 is pivoted a rock-arm, 0, which engages the under side ofthe thread-guides b b. The rock-arm 0 receives motion from a pitman, d,connected to a lever, c, which is fulcrumed on the table or platform ofthe machine in front of the needle-cylinder, as shown at n, and has itsopposite free end underneath the i a a needle-cylinder A, and providedthereat with a friction-roller, r.

The base ofthe needle-cylinder A is provided with oainsff, in the formof downward projeo tions, which depress the free end of the lever cintermittently when the cylinder A is in motion. The alternatedepression and eleva tion ofthe leverooauses theopposite end thereof toimpart a reciprocal movement to the pitman d, which, in turn, actuatesthe rock-arm c. The latter, en gagingat opposite sides of itspivotthethread-guides b b, lifts the said guides alternately. The elevatedthread-guide throws its thread above that of the other threadgnide, andsimultaneouslyincreases the tension on the elevated thread within theneedle, thereby drawing said thread toward the front of the machine,while the other thread is crowded rearward, and is so retained by thepreviouslyformed loops of the fabric, which is drawn over said threadsand off the cylinder in the usual and well-known manner.

The alternation ofthe with in-described movement of the thread-guides Z1Z1 brings the differently-colored threads alternately to the front ofthe fabric, and thus produces longitudinal stripes, as before described,without carrying loose threads on the surface of the fabric or varyingthe texture thereof.

The lengths of the camsffand the distance between them may be regulatedto obtain the desired width of the stripes at will.

Having'deseribed my invention, what I claim as new, and desire to secureby Letters Patent, is-

In combination with the needles N, loop" wheel L, and the stationarythread-guide a, the hinged thread-guides b b, rock-arm c, pitman d,lever c, and cylinder A, provided with cams j, substantially in themanner described and shown, for the purpose set forth.

In testimony whereot'l have hereunto signed my name and affixed my sealin the presence of two attesting; witnesses, at Oswcgo, in the county ofOswego, in the State of New York, this 18th day of April, 1881.

SWITS CONDE. [L. s] Witnesses:

FRED L. (Joann, EDW. MAXWELL.

